fix freeze workflow (#522)

Signed-off-by: Sun, Xuehao <[email protected]>
(cherry picked from commit 945b9e4)

.github/workflows/scripts/freeze_images.sh

@@ -23,7 +23,7 @@ function replace_image_version() {
         echo "version is empty"
     else
         echo "replace $repo_image:latest with $repo_image:$version"
-        find . -name "Dockerfile*" | xargs sed -i "s|$repo_image:latest.*|$repo_image:$version|g"
+        find . -name "Dockerfile*" | xargs sed -i "s|$repo_image:latest[A-Za-z0-9\-]*|$repo_image:$version|g"
         find . -name "*.yaml" | xargs sed -i "s|$repo_image:latest[A-Za-z0-9\-]*|$repo_image:$version|g"
         find . -name "*.md" | xargs sed -i "s|$repo_image:latest[A-Za-z0-9\-]*|$repo_image:$version|g"
     fi